/*
 * colors variables
 */
.article-cont {
  width: 75%;
  max-width: 1170px;
  margin: 0 auto;
  overflow: hidden;
}

.article-cont .article-left-box {
  width: 75%;
  float: left;
}

.article-cont .article-left-box .tit-list {
  font-size: 16px;
  margin: 20px 0;
}

.article-cont .article-left-box .tit-list a {
  cursor: pointer;
  display: inline-block;
  padding: 10px 20px;
  color: #787d82;
  text-decoration: none;
}

.article-cont .article-left-box .tit-list a:hover {
  color: #00a4ff;
}

.article-cont .article-left-box .tit-list .active {
  color: #00a4ff;
}

.article-cont .article-left-box .content .item {
  background: #fff;
  margin-bottom: 10px;
  font-size: 16px;
  color: #050505;
}

.article-cont .article-left-box .content .item .title {
  position: relative;
  padding: 20px 30px 0px 30px;
}

.article-cont .article-left-box .content .item .title i {
  margin-right: 10px;
}

.article-cont .article-left-box .content .item .title .time {
  position: absolute;
  top: 20px;
  font-size: 14px;
  right: 30px;
  color: #787d82;
}

.article-cont .article-left-box .content .item .about {
  padding: 10px 30px 20px 52px;
  font-size: 14px;
  line-height: 26px;
  color: #999;
}

.article-cont .article-left-box .content .item .drop-down {
  overflow: hidden;
  height: 0;
  transition: 1s;
}

.article-cont .article-left-box .content .item .list-box {
  overflow: hidden;
  border-top: 2px solid #f4f4f4;
  padding: 0px 30px 0px 52px;
  margin: 0px;
}

.article-cont .article-left-box .content .item .list-box li {
  color: #999;
  list-style: none;
  position: relative;
  line-height: 40px;
}

.article-cont .article-left-box .content .item .list-box li span {
  position: absolute;
  right: 0px;
  top: 10px;
}

.article-cont .article-left-box .content .item .list-box li:first-child {
  margin-top: 10px;
}

.article-cont .article-left-box .content .item .list-box li:last-child {
  margin-bottom: 10px;
}

.article-cont .article-left-box .content .item .list-box .active {
  color: #00a4ff;
}

.article-cont .article-left-box .content .item .overwrite {
  display: block;
  color: #050505;
  text-align: center;
  text-decoration: none;
  padding: 30px 30px 30px 54px;
}

.article-cont .article-right-box {
  width: 24%;
  float: right;
  padding-top: 82px;
}

.article-cont .article-right-box .about-teach {
  background: #fff;
  padding: 20px;
}

.article-cont .article-right-box .about-teach .teach-info {
  overflow: hidden;
}

.article-cont .article-right-box .about-teach .teach-info img {
  float: left;
  margin-right: 10px;
}

.article-cont .article-right-box .about-teach .teach-info span {
  font-size: 16px;
}

.article-cont .article-right-box .about-teach .teach-info .about {
  text-align: left;
  line-height: 24px;
  margin-top: 5px;
  color: #5f1898;
}

.article-cont .article-right-box .about-teach p:nth-child(2) {
  text-align: center;
  padding: 10px 0;
}

.article-cont .article-right-box .about-teach p:nth-child(2) a {
  display: inline-block;
  width: 100%;
  background: #00a4ff;
  color: #fff;
}

.article-cont .article-right-box .about-teach .synopsis {
  color: #787d82;
}

.article-cont .article-right-box .learing-box .tit {
  font-size: 18px;
  color: #00a4ff;
  padding: 20px;
}

.article-cont .article-right-box .learing-box .item-box {
  background: #fff;
}

.article-cont .article-right-box .learing-box .item-box .item-top {
  background: url(../img/widget-titBg.png) no-repeat;
  background-size: cover;
  text-align: center;
  color: #fff;
}

.article-cont .article-right-box .learing-box .item-box .item-top .top-tit {
  font-size: 22px;
  padding-top: 20px;
  font-weight: bold;
}

.article-cont .article-right-box .learing-box .item-box .item-top .top-lab {
  font-size: 16px;
  margin-bottom: 10px;
}

.article-cont .article-right-box .learing-box .item-box .item-top .top-num {
  font-size: 14px;
  text-align: left;
  position: relative;
  padding: 0 20px;
  background: rgba(0, 0, 0, 0.5);
  line-height: 34px;
}

.article-cont .article-right-box .learing-box .item-box .item-top .top-num span {
  position: absolute;
  right: 20px;
  top: 0px;
}

.article-cont .article-right-box .learing-box .item-box .item-list {
  padding: 0 20px;
}

.article-cont .article-right-box .learing-box .item-box .item-list a {
  color: #050505;
  display: block;
  line-height: 50px;
  border-bottom: solid 1px #bdbdbd;
}

.article-cont .article-right-box .learing-box .item-box .item-list a:last-child {
  border: none;
}
